src/worldmap.cpp

   1 //  $Id$
   2 //
   3 //  SuperTux -  A Jump'n Run
   4 //  Copyright (C) 2004 Ingo Ruhnke <grumbel@gmx.de>
   5 //
   6 //  This program is free software; you can redistribute it and/or
   7 //  modify it under the terms of the GNU General Public License
   8 //  as published by the Free Software Foundation; either version 2
   9 //  of the License, or (at your option) any later version.
  10 //
  11 //  This program is distributed in the hope that it will be useful,
  12 //  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 //  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 //  GNU General Public License for more details.
  15 //
  16 //  You should have received a copy of the GNU General Public License
  17 //  along with this program; if not, write to the Free Software
  18 //  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  19
  20 #include <iostream>
  21 #include <fstream>
  22 #include <vector>
  23 #include <cassert>
  24 #include <unistd.h>
  25
  26 #include "app/globals.h"
  27 #include "video/surface.h"
  28 #include "video/screen.h"
  29 #include "video/drawing_context.h"
  30 #include "utils/lispreader.h"
  31 #include "gameloop.h"
  32 #include "app/setup.h"
  33 #include "sector.h"
  34 #include "worldmap.h"
  35 #include "audio/sound_manager.h"
  36 #include "resources.h"
  37 #include "app/gettext.h"
  38 #include "misc.h"
  39
  40 #define DISPLAY_MAP_MESSAGE_TIME 2600
  41
  42 Menu* worldmap_menu  = 0;
  43
  44 namespace WorldMapNS {
  45
  46 Direction reverse_dir(Direction direction)
  47 {
  48   switch(direction)
  49     {
  50     case D_WEST:
  51       return D_EAST;
  52     case D_EAST:
  53       return D_WEST;
  54     case D_NORTH:
  55       return D_SOUTH;
  56     case D_SOUTH:
  57       return D_NORTH;
  58     case D_NONE:
  59       return D_NONE;
  60     }
  61   return D_NONE;
  62 }
  63
  64 std::string
  65 direction_to_string(Direction direction)
  66 {
  67   switch(direction)
  68     {
  69     case D_WEST:
  70       return "west";
  71     case D_EAST:
  72       return "east";
  73     case D_NORTH:
  74       return "north";
  75     case D_SOUTH:
  76       return "south";
  77     default:
  78       return "none";
  79     }
  80 }
  81
  82 Direction
  83 string_to_direction(const std::string& directory)
  84 {
  85   if (directory == "west")
  86     return D_WEST;
  87   else if (directory == "east")
  88     return D_EAST;
  89   else if (directory == "north")
  90     return D_NORTH;
  91   else if (directory == "south")
  92     return D_SOUTH;
  93   else
  94     return D_NONE;
  95 }
  96
  97 TileManager::TileManager()
  98 {
  99   std::string stwt_filename = datadir +  "/images/worldmap/antarctica.stwt";
 100   lisp_object_t* root_obj = lisp_read_from_file(stwt_filename);
 101
 102   if (!root_obj)
 103     Termination::abort("Couldn't load file", stwt_filename);
 104
 105   if (strcmp(lisp_symbol(lisp_car(root_obj)), "supertux-worldmap-tiles") == 0)
 106     {
 107       lisp_object_t* cur = lisp_cdr(root_obj);
 108
 109       while(!lisp_nil_p(cur))
 110         {
 111           lisp_object_t* element = lisp_car(cur);
 112
 113           if (strcmp(lisp_symbol(lisp_car(element)), "tile") == 0)
 114             {
 115               int id = 0;
 116               std::string filename = "<invalid>";
 117
 118               Tile* tile = new Tile;
 119               tile->north = true;
 120               tile->east  = true;
 121               tile->south = true;
 122               tile->west  = true;
 123               tile->stop  = true;
 124               tile->auto_walk = false;
 125
 126               LispReader reader(lisp_cdr(element));
 127               reader.read_int("id", id);
 128               reader.read_bool("north", tile->north);
 129               reader.read_bool("south", tile->south);
 130               reader.read_bool("west",  tile->west);
 131               reader.read_bool("east",  tile->east);
 132               reader.read_bool("stop",  tile->stop);
 133               reader.read_bool("auto-walk",  tile->auto_walk);
 134               reader.read_string("image", filename);
 135
 136               tile->sprite = new Surface(
 137                            datadir +  "/images/worldmap/" + filename,
 138                            true);
 139
 140               if (id >= int(tiles.size()))
 141                 tiles.resize(id+1);
 142
 143               tiles[id] = tile;
 144             }
 145           else
 146             {
 147               puts("Unhandled symbol");
 148             }
 149
 150           cur = lisp_cdr(cur);
 151         }
 152     }
 153   else
 154     {
 155       assert(0);
 156     }
 157
 158   lisp_free(root_obj);
 159 }
 160
 161 TileManager::~TileManager()
 162 {
 163   for(std::vector<Tile*>::iterator i = tiles.begin(); i != tiles.end(); ++i)
 164     delete *i;
 165 }
 166
 167 Tile*
 168 TileManager::get(int i)
 169 {
 170   assert(i >=0 && i < int(tiles.size()));
 171   return tiles[i];
 172 }
 173
 174 //---------------------------------------------------------------------------
 175
 176 Tux::Tux(WorldMap* worldmap_)
 177   : worldmap(worldmap_)
 178 {
 179   largetux_sprite = new Surface(datadir +  "/images/worldmap/tux.png", true);
 180   firetux_sprite = new Surface(datadir +  "/images/worldmap/firetux.png", true);
 181   smalltux_sprite = new Surface(datadir +  "/images/worldmap/smalltux.png", true);
 182
 183   offset = 0;
 184   moving = false;
 185   tile_pos.x = worldmap->get_start_x();
 186   tile_pos.y = worldmap->get_start_y();
 187   direction = D_NONE;
 188   input_direction = D_NONE;
 189 }
 190
 191 Tux::~Tux()
 192 {
 193   delete smalltux_sprite;
 194   delete firetux_sprite;
 195   delete largetux_sprite;
 196 }
 197
 198 void
 199 Tux::draw(DrawingContext& context, const Vector& offset)
 200 {
 201   Vector pos = get_pos();
 202   switch (player_status.bonus)
 203     {
 204     case PlayerStatus::GROWUP_BONUS:
 205       context.draw_surface(largetux_sprite,
 206           Vector(pos.x + offset.x, pos.y + offset.y - 10), LAYER_OBJECTS);
 207       break;
 208     case PlayerStatus::FLOWER_BONUS:
 209       context.draw_surface(firetux_sprite,
 210           Vector(pos.x + offset.x, pos.y + offset.y - 10), LAYER_OBJECTS);
 211       break;
 212     case PlayerStatus::NO_BONUS:
 213       context.draw_surface(smalltux_sprite,
 214           Vector(pos.x + offset.x, pos.y + offset.y - 10), LAYER_OBJECTS);
 215       break;
 216     }
 217 }
 218
 219
 220 Vector
 221 Tux::get_pos()
 222 {
 223   float x = tile_pos.x * 32;
 224   float y = tile_pos.y * 32;
 225
 226   switch(direction)
 227     {
 228     case D_WEST:
 229       x -= offset - 32;
 230       break;
 231     case D_EAST:
 232       x += offset - 32;
 233       break;
 234     case D_NORTH:
 235       y -= offset - 32;
 236       break;
 237     case D_SOUTH:
 238       y += offset - 32;
 239       break;
 240     case D_NONE:
 241       break;
 242     }
 243
 244   return Vector((int)x, (int)y);
 245 }
 246
 247 void
 248 Tux::stop()
 249 {
 250   offset = 0;
 251   direction = D_NONE;
 252   input_direction = D_NONE;
 253   moving = false;
 254 }
 255
 256 void
 257 Tux::set_direction(Direction dir)
 258 {
 259 input_direction = dir;
 260 }
 261
 262 void
 263 Tux::action(float delta)
 264 {
 265   if (!moving)
 266     {
 267       if (input_direction != D_NONE)
 268         {
 269           WorldMap::SpecialTile* special_tile = worldmap->at_special_tile();
 270
 271           // We got a new direction, so lets start walking when possible
 272           Vector next_tile;
 273           if ((!special_tile || special_tile->solved || special_tile->level_name.empty())
 274               && worldmap->path_ok(input_direction, tile_pos, &next_tile))
 275             {
 276               tile_pos = next_tile;
 277               moving = true;
 278               direction = input_direction;
 279               back_direction = reverse_dir(direction);
 280             }
 281           else if (input_direction == back_direction)
 282             {
 283               moving = true;
 284               direction = input_direction;
 285               tile_pos = worldmap->get_next_tile(tile_pos, direction);
 286               back_direction = reverse_dir(direction);
 287             }
 288         }
 289     }
 290   else
 291     {
 292       // Let tux walk a few pixels (20 pixel/sec)
 293       offset += 20.0f * delta;
 294
 295       if (offset > 32)
 296         { // We reached the next tile, so we check what to do now
 297           offset -= 32;
 298
 299           WorldMap::SpecialTile* special_tile = worldmap->at_special_tile();
 300           if(special_tile && special_tile->passive_message)
 301             special_tile->display_map_message_timer.start(DISPLAY_MAP_MESSAGE_TIME);
 302
 303           if (worldmap->at(tile_pos)->stop || (special_tile &&
 304               !special_tile->passive_message))
 305             {
 306               stop();
 307             }
 308           else
 309             {
 310               if (worldmap->at(tile_pos)->auto_walk || direction != input_direction)
 311                 { // Turn to a new direction
 312                   Tile* tile = worldmap->at(tile_pos);
 313
 314                   if(direction != input_direction &&
 315                      ((tile->north && input_direction == D_NORTH) ||
 316                      (tile->south && input_direction == D_SOUTH) ||
 317                      (tile->east && input_direction == D_EAST) ||
 318                      (tile->west && input_direction == D_WEST)))
 319                     {  // player has changed direction during auto-movement
 320                     direction = input_direction;
 321                     back_direction = reverse_dir(direction);
 322                     }
 323                   else if(direction != input_direction)
 324                     {  // player has changed to impossible tile
 325                       back_direction = reverse_dir(direction);
 326                       stop();
 327                     }
 328                   else
 329                     {
 330                     Direction dir = D_NONE;
 331
 332                     if (tile->north && back_direction != D_NORTH)
 333                       dir = D_NORTH;
 334                     else if (tile->south && back_direction != D_SOUTH)
 335                       dir = D_SOUTH;
 336                     else if (tile->east && back_direction != D_EAST)
 337                       dir = D_EAST;
 338                     else if (tile->west && back_direction != D_WEST)
 339                       dir = D_WEST;
 340
 341                     if (dir != D_NONE)
 342                       {
 343                       direction = dir;
 344                       input_direction = direction;
 345                       back_direction = reverse_dir(direction);
 346                       }
 347                     else
 348                       {
 349                       // Should never be reached if tiledata is good
 350                       stop();
 351                       return;
 352                       }
 353                     }
 354                   }
 355
 356               // Walk automatically to the next tile
 357               if(direction != D_NONE)
 358                 {
 359                 Vector next_tile;
 360                 if (worldmap->path_ok(direction, tile_pos, &next_tile))
 361                   {
 362                   tile_pos = next_tile;
 363                   }
 364                 else
 365                   {
 366                   puts("Tilemap data is buggy");
 367                   stop();
 368                   }
 369                 }
 370             }
 371         }
 372     }
 373 }
 374
 375 //---------------------------------------------------------------------------
 376 Tile::Tile()
 377 {
 378 }
 379
 380 Tile::~Tile()
 381 {
 382   delete sprite;
 383 }
 384
 385 //---------------------------------------------------------------------------
 386
 387 WorldMap::WorldMap()
 388 {
 389   tile_manager = new TileManager();
 390   //tux = new Tux(this);
 391
 392   width  = 20;
 393   height = 15;
 394
 395   start_x = 4;
 396   start_y = 5;
 397
 398   leveldot_green = new Surface(datadir +  "/images/worldmap/leveldot_green.png", true);
 399   leveldot_red = new Surface(datadir +  "/images/worldmap/leveldot_red.png", true);
 400   messagedot   = new Surface(datadir +  "/images/worldmap/messagedot.png", true);
 401
 402   enter_level = false;
 403
 404   name = "<no title>";
 405   music = "SALCON.MOD";
 406 }
 407
 408 WorldMap::~WorldMap()
 409 {
 410   delete tux;
 411   delete tile_manager;
 412
 413   delete leveldot_green;
 414   delete leveldot_red;
 415   delete messagedot;
 416 }
 417
 418 void
 419 WorldMap::load_map()
 420 {
 421   lisp_object_t* root_obj = lisp_read_from_file(datadir + "/levels/worldmap/" + map_filename);
 422   if (!root_obj)
 423     Termination::abort("Couldn't load file", datadir + "/levels/worldmap/" + map_filename);
 424
 425   if (strcmp(lisp_symbol(lisp_car(root_obj)), "supertux-worldmap") == 0)
 426     {
 427       lisp_object_t* cur = lisp_cdr(root_obj);
 428
 429       while(!lisp_nil_p(cur))
 430         {
 431           lisp_object_t* element = lisp_car(cur);
 432
 433           if (strcmp(lisp_symbol(lisp_car(element)), "tilemap") == 0)
 434             {
 435               LispReader reader(lisp_cdr(element));
 436               reader.read_int("width",  width);
 437               reader.read_int("height", height);
 438               reader.read_int_vector("data", tilemap);
 439             }
 440           else if (strcmp(lisp_symbol(lisp_car(element)), "properties") == 0)
 441             {
 442               LispReader reader(lisp_cdr(element));
 443               reader.read_string("name", name, true);
 444               reader.read_string("music", music);
 445               reader.read_int("start_pos_x", start_x);
 446               reader.read_int("start_pos_y", start_y);
 447             }
 448           else if (strcmp(lisp_symbol(lisp_car(element)), "special-tiles") == 0 ||
 449                    strcmp(lisp_symbol(lisp_car(element)), "levels") == 0)
 450             {
 451               lisp_object_t* cur = lisp_cdr(element);
 452
 453               while(!lisp_nil_p(cur))
 454                 {
 455                   lisp_object_t* element = lisp_car(cur);
 456
 457                   if (strcmp(lisp_symbol(lisp_car(element)), "special-tile") == 0)
 458                     {
 459                       SpecialTile special_tile;
 460                       LispReader reader(lisp_cdr(element));
 461                       special_tile.solved = false;
 462
 463                       special_tile.north = true;
 464                       special_tile.east  = true;
 465                       special_tile.south = true;
 466                       special_tile.west  = true;
 467
 468                       reader.read_string("extro-filename", special_tile.extro_filename);
 469                       reader.read_string("passive-message", special_tile.display_map_message);
 470                       special_tile.passive_message = false;
 471                       if(!special_tile.display_map_message.empty())
 472                         special_tile.passive_message = true;
 473                       special_tile.display_map_message_timer.init(true);
 474                       reader.read_string("map-message", special_tile.display_map_message);
 475                       reader.read_string("next-world", special_tile.next_worldmap);
 476                       reader.read_string("level", special_tile.level_name, true);
 477                       reader.read_int("x", special_tile.x);
 478                       reader.read_int("y", special_tile.y);
 479                       special_tile.auto_path = true;
 480                       reader.read_bool("auto-path", special_tile.auto_path);
 481                       special_tile.swap_x = special_tile.swap_y = -1;
 482                       reader.read_int("swap-x", special_tile.swap_x);
 483                       reader.read_int("swap-y", special_tile.swap_y);
 484                       special_tile.vertical_flip = false;
 485                       reader.read_bool("flip-special_tile", special_tile.vertical_flip);
 486                       special_tile.quit_worldmap = false;
 487                       reader.read_bool("exit-game", special_tile.quit_worldmap);
 488
 489                       special_tiles.push_back(special_tile);
 490                     }
 491
 492                   /* Kept for backward compability */
 493                   else if (strcmp(lisp_symbol(lisp_car(element)), "level") == 0)
 494                     {
 495                       SpecialTile special_tile;
 496                       LispReader reader(lisp_cdr(element));
 497                       special_tile.solved = false;
 498
 499                       special_tile.north = true;
 500                       special_tile.east  = true;
 501                       special_tile.south = true;
 502                       special_tile.west  = true;
 503
 504                       reader.read_string("extro-filename", special_tile.extro_filename);
 505                       if(!special_tile.extro_filename.empty())
 506                         special_tile.quit_worldmap = true;
 507                       reader.read_string("name", special_tile.level_name, true);
 508                       reader.read_int("x", special_tile.x);
 509                       reader.read_int("y", special_tile.y);
 510                       special_tile.vertical_flip = false;
 511                       special_tile.swap_x = special_tile.swap_y = -1;
 512
 513                       special_tiles.push_back(special_tile);
 514                     }
 515
 516                   cur = lisp_cdr(cur);
 517                 }
 518             }
 519           else
 520             {
 521
 522             }
 523
 524           cur = lisp_cdr(cur);
 525         }
 526     }
 527
 528     lisp_free(root_obj);
 529     tux = new Tux(this);
 530 }
 531
 532 void WorldMap::get_level_title(SpecialTile& special_tile)
 533 {
 534   /** get special_tile's title */
 535   special_tile.title = "<no title>";
 536
 537   LispReader* reader = LispReader::load(datadir + "/levels/" + special_tile.level_name, "supertux-level");
 538   if(!reader)
 539     {
 540     std::cerr << "Error: Could not open special_tile file. Ignoring...\n";
 541     return;
 542     }
 543
 544   reader->read_string("name", special_tile.title, true);
 545   delete reader;
 546 }
 547
 548 void
 549 WorldMap::on_escape_press()
 550 {
 551   // Show or hide the menu
 552   if(!Menu::current())
 553     {
 554     Menu::set_current(worldmap_menu);
 555     tux->set_direction(D_NONE);  // stop tux movement when menu is called
 556     }
 557   else
 558     Menu::set_current(0);
 559 }
 560
 561 void
 562 WorldMap::get_input()
 563 {
 564   enter_level = false;
 565
 566   SDL_Event event;
 567   while (SDL_PollEvent(&event))
 568     {
 569       if (Menu::current())
 570         {
 571           Menu::current()->event(event);
 572         }
 573       else
 574         {
 575           switch(event.type)
 576             {
 577             case SDL_QUIT:
 578               Termination::abort("Received window close", "");
 579               break;
 580
 581             case SDL_KEYDOWN:
 582               switch(event.key.keysym.sym)
 583                 {
 584                 case SDLK_ESCAPE:
 585                   on_escape_press();
 586                   break;
 587                 case SDLK_LCTRL:
 588                 case SDLK_RETURN:
 589                   enter_level = true;
 590                   break;
 591
 592                 case SDLK_LEFT:
 593                   tux->set_direction(D_WEST);
 594                   break;
 595                 case SDLK_RIGHT:
 596                   tux->set_direction(D_EAST);
 597                   break;
 598                 case SDLK_UP:
 599                   tux->set_direction(D_NORTH);
 600                   break;
 601                 case SDLK_DOWN:
 602                   tux->set_direction(D_SOUTH);
 603                   break;
 604
 605                 default:
 606                   break;
 607                 }
 608               break;
 609
 610             case SDL_JOYAXISMOTION:
 611               if (event.jaxis.axis == joystick_keymap.x_axis)
 612                 {
 613                   if (event.jaxis.value < -joystick_keymap.dead_zone)
 614                     tux->set_direction(D_WEST);
 615                   else if (event.jaxis.value > joystick_keymap.dead_zone)
 616                     tux->set_direction(D_EAST);
 617                 }
 618               else if (event.jaxis.axis == joystick_keymap.y_axis)
 619                 {
 620                   if (event.jaxis.value > joystick_keymap.dead_zone)
 621                     tux->set_direction(D_SOUTH);
 622                   else if (event.jaxis.value < -joystick_keymap.dead_zone)
 623                     tux->set_direction(D_NORTH);
 624                 }
 625               break;
 626
 627             case SDL_JOYBUTTONDOWN:
 628               if (event.jbutton.button == joystick_keymap.b_button)
 629                 enter_level = true;
 630               else if (event.jbutton.button == joystick_keymap.start_button)
 631                 on_escape_press();
 632               break;
 633
 634             default:
 635               break;
 636             }
 637         }
 638     }
 639 }
 640
 641 Vector
 642 WorldMap::get_next_tile(Vector pos, Direction direction)
 643 {
 644   switch(direction)
 645     {
 646     case D_WEST:
 647       pos.x -= 1;
 648       break;
 649     case D_EAST:
 650       pos.x += 1;
 651       break;
 652     case D_NORTH:
 653       pos.y -= 1;
 654       break;
 655     case D_SOUTH:
 656       pos.y += 1;
 657       break;
 658     case D_NONE:
 659       break;
 660     }
 661   return pos;
 662 }
 663
 664 bool
 665 WorldMap::path_ok(Direction direction, Vector old_pos, Vector* new_pos)
 666 {
 667   *new_pos = get_next_tile(old_pos, direction);
 668
 669   if (!(new_pos->x >= 0 && new_pos->x < width
 670         && new_pos->y >= 0 && new_pos->y < height))
 671     { // New position is outsite the tilemap
 672       return false;
 673     }
 674   else
 675     { // Check if we the tile allows us to go to new_pos
 676       switch(direction)
 677         {
 678         case D_WEST:
 679           return (at(old_pos)->west && at(*new_pos)->east);
 680
 681         case D_EAST:
 682           return (at(old_pos)->east && at(*new_pos)->west);
 683
 684         case D_NORTH:
 685           return (at(old_pos)->north && at(*new_pos)->south);
 686
 687         case D_SOUTH:
 688           return (at(old_pos)->south && at(*new_pos)->north);
 689
 690         case D_NONE:
 691           assert(!"path_ok() can't work if direction is NONE");
 692         }
 693       return false;
 694     }
 695 }
 696
 697 void
 698 WorldMap::update(float delta)
 699 {
 700   if (enter_level && !tux->is_moving())
 701     {
 702       bool level_finished = true;
 703       SpecialTile* special_tile = at_special_tile();
 704       if (!special_tile)
 705         {
 706         std::cout << "Nothing to enter at: "
 707           << tux->get_tile_pos().x << ", " << tux->get_tile_pos().y << std::endl;
 708         return;
 709         }
 710
 711
 712       if(!special_tile->level_name.empty())
 713         {
 714           if (special_tile->x == tux->get_tile_pos().x &&
 715               special_tile->y == tux->get_tile_pos().y)
 716             {
 717               PlayerStatus old_player_status = player_status;
 718
 719               std::cout << "Enter the current level: " << special_tile->level_name << std::endl;
 720               // do a shriking fade to the special_tile
 721               shrink_fade(Vector((special_tile->x*32 + 16 + offset.x),(special_tile->y*32 + 16
 722                       + offset.y)), 500);
 723               GameSession session(datadir +  "/levels/" + special_tile->level_name,
 724                                   ST_GL_LOAD_LEVEL_FILE, special_tile->vertical_flip);
 725
 726               switch (session.run())
 727                 {
 728                 case GameSession::ES_LEVEL_FINISHED:
 729                   {
 730                     level_finished = true;
 731                     bool old_level_state = special_tile->solved;
 732                     special_tile->solved = true;
 733
 734                     if (session.get_current_sector()->player->got_power !=
 735                           session.get_current_sector()->player->NONE_POWER)
 736                       player_status.bonus = PlayerStatus::FLOWER_BONUS;
 737                     else if (session.get_current_sector()->player->size == BIG)
 738                       player_status.bonus = PlayerStatus::GROWUP_BONUS;
 739                     else
 740                       player_status.bonus = PlayerStatus::NO_BONUS;
 741
 742                     if (old_level_state != special_tile->solved && special_tile->auto_path)
 743                       { // Try to detect the next direction to which we should walk
 744                         // FIXME: Mostly a hack
 745                         Direction dir = D_NONE;
 746
 747                         Tile* tile = at(tux->get_tile_pos());
 748
 749                         if (tile->north && tux->back_direction != D_NORTH)
 750                           dir = D_NORTH;
 751                         else if (tile->south && tux->back_direction != D_SOUTH)
 752                           dir = D_SOUTH;
 753                         else if (tile->east && tux->back_direction != D_EAST)
 754                           dir = D_EAST;
 755                         else if (tile->west && tux->back_direction != D_WEST)
 756                           dir = D_WEST;
 757
 758                         if (dir != D_NONE)
 759                           {
 760                             tux->set_direction(dir);
 761                             //tux->update(delta);
 762                           }
 763
 764                         std::cout << "Walk to dir: " << dir << std::endl;
 765                       }
 766                   }
 767
 768                   break;
 769                 case GameSession::ES_LEVEL_ABORT:
 770                   level_finished = false;
 771                   /* In case the player's abort the special_tile, keep it using the old
 772                       status. But the minimum lives and no bonus. */
 773                   player_status.score = old_player_status.score;
 774                   player_status.distros = old_player_status.distros;
 775                   player_status.lives = std::min(old_player_status.lives, player_status.lives);
 776                   player_status.bonus = player_status.NO_BONUS;
 777
 778                   break;
 779                 case GameSession::ES_GAME_OVER:
 780                   {
 781                   level_finished = false;
 782                   /* draw an end screen */
 783                   /* in the future, this should make a dialog a la SuperMario, asking
 784                   if the player wants to restart the world map with no score and from
 785                   special_tile 1 */
 786                   char str[80];
 787
 788                   DrawingContext context;
 789                   context.draw_gradient(Color (200,240,220), Color(200,200,220),
 790                       LAYER_BACKGROUND0);
 791
 792                   context.draw_text_center(blue_text, _("GAMEOVER"),
 793                       Vector(0, 200), LAYER_FOREGROUND1);
 794
 795                   sprintf(str, _("SCORE: %d"), player_status.score);
 796                   context.draw_text_center(gold_text, str,
 797                       Vector(0, 230), LAYER_FOREGROUND1);
 798
 799                   sprintf(str, _("COINS: %d"), player_status.distros);
 800                   context.draw_text_center(gold_text, str,
 801                       Vector(0, screen->w - 32), LAYER_FOREGROUND1);
 802
 803                   context.do_drawing();
 804
 805                   SDL_Event event;
 806                   wait_for_event(event,2000,5000,true);
 807
 808                   quit = true;
 809                   player_status.reset();
 810                   break;
 811                   }
 812                 case GameSession::ES_NONE:
 813                   assert(false);
 814                   // Should never be reached
 815                   break;
 816                 }
 817
 818               SoundManager::get()->play_music(song);
 819               Menu::set_current(0);
 820               if (!savegame_file.empty())
 821                 savegame(savegame_file);
 822             }
 823         }
 824       /* The porpose of the next checking is that if the player lost
 825          the special_tile (in case there is one), don't show anything */
 826       if(level_finished)
 827         {
 828         if (!special_tile->extro_filename.empty())
 829           {
 830           // Display a text file
 831           display_text_file(special_tile->extro_filename, SCROLL_SPEED_MESSAGE, white_big_text , white_text, white_small_text, blue_text );
 832           }
 833         if (special_tile->swap_x != -1 && special_tile->swap_y != -1)
 834           {
 835           // TODO: add an effect, like a camera scrolling, or at least, a fading
 836           tux->set_tile_pos(Vector(special_tile->swap_x, special_tile->swap_y));
 837           }
 838         if (!special_tile->next_worldmap.empty())
 839           {
 840           // Load given worldmap
 841           loadmap(special_tile->next_worldmap);
 842           }
 843         if (special_tile->quit_worldmap)
 844           quit = true;
 845         }
 846     }
 847   else
 848     {
 849       tux->action(delta);
 850 //      tux->set_direction(input_direction);
 851     }
 852
 853   Menu* menu = Menu::current();
 854   if(menu)
 855     {
 856       menu->action();
 857
 858       if(menu == worldmap_menu)
 859         {
 860           switch (worldmap_menu->check())
 861             {
 862             case MNID_RETURNWORLDMAP: // Return to game
 863               break;
 864             case MNID_QUITWORLDMAP: // Quit Worldmap
 865               quit = true;
 866               break;
 867             }
 868         }
 869       else if(menu == options_menu)
 870         {
 871           process_options_menu();
 872         }
 873     }
 874 }
 875
 876 Tile*
 877 WorldMap::at(Vector p)
 878 {
 879   assert(p.x >= 0
 880          && p.x < width
 881          && p.y >= 0
 882          && p.y < height);
 883
 884   int x = int(p.x);
 885   int y = int(p.y);
 886   return tile_manager->get(tilemap[width * y + x]);
 887 }
 888
 889 WorldMap::SpecialTile*
 890 WorldMap::at_special_tile()
 891 {
 892   for(SpecialTiles::iterator i = special_tiles.begin(); i != special_tiles.end(); ++i)
 893     {
 894       if (i->x == tux->get_tile_pos().x &&
 895           i->y == tux->get_tile_pos().y)
 896         return &*i;
 897     }
 898
 899   return 0;
 900 }
 901
 902
 903 void
 904 WorldMap::draw(DrawingContext& context, const Vector& offset)
 905 {
 906   for(int y = 0; y < height; ++y)
 907     for(int x = 0; x < width; ++x)
 908       {
 909         Tile* tile = at(Vector(x, y));
 910         context.draw_surface(tile->sprite,
 911             Vector(x*32 + offset.x, y*32 + offset.y), LAYER_TILES);
 912       }
 913
 914   for(SpecialTiles::iterator i = special_tiles.begin(); i != special_tiles.end(); ++i)
 915     {
 916       if(i->level_name.empty())
 917         {
 918         if (!i->display_map_message.empty() && !i->passive_message)
 919           context.draw_surface(messagedot,
 920               Vector(i->x*32 + offset.x, i->y*32 + offset.y), LAYER_TILES+1);
 921
 922         continue;
 923         }
 924
 925       if (i->solved)
 926         context.draw_surface(leveldot_green,
 927             Vector(i->x*32 + offset.x, i->y*32 + offset.y), LAYER_TILES+1);
 928       else
 929         context.draw_surface(leveldot_red,
 930             Vector(i->x*32 + offset.x, i->y*32 + offset.y), LAYER_TILES+1);
 931     }
 932
 933   tux->draw(context, offset);
 934   draw_status(context);
 935 }
 936
 937 void
 938 WorldMap::draw_status(DrawingContext& context)
 939 {
 940   char str[80];
 941   sprintf(str, " %d", player_status.score);
 942
 943   context.draw_text(white_text, _("SCORE"), Vector(0, 0), LAYER_FOREGROUND1);
 944   context.draw_text(gold_text, str, Vector(96, 0), LAYER_FOREGROUND1);
 945
 946   sprintf(str, "%d", player_status.distros);
 947   context.draw_text(white_text, _("COINS"), Vector(screen->w/2 - 16*5, 0),
 948       LAYER_FOREGROUND1);
 949   context.draw_text(gold_text, str, Vector(screen->w/2 + (16*5)/2, 0),
 950         LAYER_FOREGROUND1);
 951
 952   if (player_status.lives >= 5)
 953     {
 954       sprintf(str, "%dx", player_status.lives);
 955       context.draw_text(gold_text, str,
 956           Vector(screen->w - gold_text->get_text_width(str) - tux_life->w, 0),
 957           LAYER_FOREGROUND1);
 958       context.draw_surface(tux_life, Vector(screen->w -
 959             gold_text->get_text_width("9"), 0), LAYER_FOREGROUND1);
 960     }
 961   else
 962     {
 963       for(int i= 0; i < player_status.lives; ++i)
 964         context.draw_surface(tux_life,
 965             Vector(screen->w - tux_life->w*4 + (tux_life->w*i), 0),
 966             LAYER_FOREGROUND1);
 967     }
 968   context.draw_text(white_text, _("LIVES"),
 969       Vector(screen->w - white_text->get_text_width(_("LIVES")) - white_text->get_text_width("   99"), 0),
 970       LAYER_FOREGROUND1);
 971
 972   if (!tux->is_moving())
 973     {
 974       for(SpecialTiles::iterator i = special_tiles.begin(); i != special_tiles.end(); ++i)
 975         {
 976           if (i->x == tux->get_tile_pos().x &&
 977               i->y == tux->get_tile_pos().y)
 978             {
 979               if(!i->level_name.empty())
 980                 {
 981                 if(i->title == "")
 982                   get_level_title(*i);
 983
 984                 context.draw_text_center(white_text, i->title,
 985                     Vector(0, screen->h - white_text->get_height() - 30),
 986                     LAYER_FOREGROUND1);
 987                 }
 988
 989               /* Display an in-map message in the map, if any as been selected */
 990               if(!i->display_map_message.empty())
 991                 context.draw_text_center(gold_text, i->display_map_message,
 992                     Vector(0, screen->h - white_text->get_height() - 60),
 993                     LAYER_FOREGROUND1);
 994               break;
 995             }
 996         }
 997     }
 998   for(SpecialTiles::iterator i = special_tiles.begin(); i != special_tiles.end(); ++i)
 999     {
1000     /* Display a passive message in the map, if any as been selected */
1001     if(i->display_map_message_timer.check())
1002       {
1003       if(!i->display_map_message.empty())
1004         context.draw_text_center(gold_text, i->display_map_message,
1005                 Vector(0, screen->h - white_text->get_height() - 60),
1006                 LAYER_FOREGROUND1);
1007       break;
1008       }
1009     }
1010 }
1011
1012 void
1013 WorldMap::display()
1014 {
1015   Menu::set_current(0);
1016
1017   quit = false;
1018
1019   song = SoundManager::get()->load_music(datadir +  "/music/" + music);
1020   SoundManager::get()->play_music(song);
1021
1022   unsigned int last_update_time;
1023   unsigned int update_time;
1024
1025   last_update_time = update_time = Ticks::get();
1026
1027   DrawingContext context;
1028   while(!quit)
1029     {
1030       float delta = ((float)(update_time-last_update_time))/100.0;
1031
1032       delta *= 1.3f;
1033
1034       if (delta > 10.0f)
1035         delta = .3f;
1036
1037       last_update_time = update_time;
1038       update_time      = Ticks::get();
1039
1040       Vector tux_pos = tux->get_pos();
1041       if (1)
1042         {
1043           offset.x = -tux_pos.x + screen->w/2;
1044           offset.y = -tux_pos.y + screen->h/2;
1045
1046           if (offset.x > 0) offset.x = 0;
1047           if (offset.y > 0) offset.y = 0;
1048
1049           if (offset.x < screen->w - width*32) offset.x = screen->w - width*32;
1050           if (offset.y < screen->h - height*32) offset.y = screen->h - height*32;
1051         }
1052
1053       draw(context, offset);
1054       get_input();
1055       update(delta);
1056
1057       if(Menu::current())
1058         {
1059           Menu::current()->draw(context);
1060           mouse_cursor->draw(context);
1061         }
1062
1063       context.do_drawing();
1064
1065       SDL_Delay(20);
1066     }
1067 }
1068
1069 void
1070 WorldMap::savegame(const std::string& filename)
1071 {
1072   if(filename == "")
1073     return;
1074
1075   std::cout << "savegame: " << filename << std::endl;
1076   std::ofstream out(filename.c_str());
1077
1078   int nb_solved_levels = 0;
1079   for(SpecialTiles::iterator i = special_tiles.begin(); i != special_tiles.end(); ++i)
1080     {
1081       if (i->solved)
1082         ++nb_solved_levels;
1083     }
1084
1085   out << "(supertux-savegame\n"
1086       << "  (version 1)\n"
1087       << "  (title  \"" << name << " - " << nb_solved_levels << "/" << special_tiles.size() << "\")\n"
1088       << "  (map    \"" << map_filename << "\")\n"
1089       << "  (lives   " << player_status.lives << ")\n"
1090       << "  (score   " << player_status.score << ")\n"
1091       << "  (distros " << player_status.distros << ")\n"
1092       << "  (tux (x " << tux->get_tile_pos().x << ") (y " << tux->get_tile_pos().y << ")\n"
1093       << "       (back \"" << direction_to_string(tux->back_direction) << "\")\n"
1094       << "       (bonus \"" << bonus_to_string(player_status.bonus) <<  "\"))\n"
1095       << "  (levels\n";
1096
1097   for(SpecialTiles::iterator i = special_tiles.begin(); i != special_tiles.end(); ++i)
1098     {
1099       if (i->solved && !i->level_name.empty())
1100         {
1101           out << "     (level (name \"" << i->level_name << "\")\n"
1102               << "            (solved #t))\n";
1103         }
1104     }
1105
1106   out << "   )\n"
1107       << " )\n\n;; EOF ;;" << std::endl;
1108 }
1109
1110 void
1111 WorldMap::loadgame(const std::string& filename)
1112 {
1113   std::cout << "loadgame: " << filename << std::endl;
1114   savegame_file = filename;
1115   map_filename = "icyisland.stwm";
1116
1117   if (access(filename.c_str(), F_OK) != 0)
1118     {
1119     load_map();
1120     return;
1121     }
1122
1123   lisp_object_t* savegame = lisp_read_from_file(filename);
1124   if (!savegame)
1125     {
1126       std::cout << "WorldMap:loadgame: File not found: " << filename << std::endl;
1127       load_map();
1128       return;
1129     }
1130
1131   lisp_object_t* cur = savegame;
1132
1133   if (strcmp(lisp_symbol(lisp_car(cur)), "supertux-savegame") != 0)
1134     {
1135     load_map();
1136     return;
1137     }
1138
1139   cur = lisp_cdr(cur);
1140   LispReader reader(cur);
1141
1142   /* Get the Map filename and then load it before setting special_tile settings */
1143   reader.read_string("map", map_filename);
1144   load_map();
1145
1146   reader.read_int("lives", player_status.lives);
1147   reader.read_int("score", player_status.score);
1148   reader.read_int("distros", player_status.distros);
1149
1150   if (player_status.lives < 0)
1151     player_status.lives = START_LIVES;
1152
1153   lisp_object_t* tux_cur = 0;
1154   if (reader.read_lisp("tux", tux_cur))
1155     {
1156       Vector p;
1157       std::string back_str = "none";
1158       std::string bonus_str = "none";
1159
1160       LispReader tux_reader(tux_cur);
1161       tux_reader.read_float("x", p.x);
1162       tux_reader.read_float("y", p.y);
1163       tux_reader.read_string("back", back_str);
1164       tux_reader.read_string("bonus", bonus_str);
1165
1166       player_status.bonus = string_to_bonus(bonus_str);
1167       tux->back_direction = string_to_direction(back_str);
1168       tux->set_tile_pos(p);
1169     }
1170
1171   lisp_object_t* level_cur = 0;
1172   if (reader.read_lisp("levels", level_cur))
1173     {
1174       while(level_cur)
1175         {
1176           lisp_object_t* sym  = lisp_car(lisp_car(level_cur));
1177           lisp_object_t* data = lisp_cdr(lisp_car(level_cur));
1178
1179           if (strcmp(lisp_symbol(sym), "level") == 0)
1180             {
1181               std::string name;
1182               bool solved = false;
1183
1184               LispReader level_reader(data);
1185               level_reader.read_string("name", name, true);
1186               level_reader.read_bool("solved", solved);
1187
1188               for(SpecialTiles::iterator i = special_tiles.begin(); i != special_tiles.end(); ++i)
1189                 {
1190                   if (name == i->level_name)
1191                     i->solved = solved;
1192                 }
1193             }
1194
1195           level_cur = lisp_cdr(level_cur);
1196         }
1197     }
1198
1199   lisp_free(savegame);
1200 }
1201
1202 void
1203 WorldMap::loadmap(const std::string& filename)
1204 {
1205   savegame_file = "";
1206   map_filename = filename;
1207   load_map();
1208 }
1209
1210 } // namespace WorldMapNS
1211
1212 /* Local Variables: */
1213 /* mode:c++ */
1214 /* End: */
1215